Safety door stop



FIG. 1 is a perspective view showing the new design for a safety door stop;

FIG. 2 is a front view thereof, the back view being a mirror image of the front view shown;

FIG. 3 is a right side view thereof, the left side view being a mirror image of the right side view shown;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a safety door stop, as shown and described. 